[  836.671676][ T9279] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.770119][ T9280] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.870411][ T9281] br0: port 1(veth0) entered blocking state
[  836.870665][ T9281] br0: port 1(veth0) entered disabled state
[  836.870921][ T9281] veth0: entered allmulticast mode
[  836.872100][ T9281] veth0: entered promiscuous mode
[  836.950531][ T9282] br0: port 2(veth1) entered blocking state
[  836.950866][ T9282] br0: port 2(veth1) entered disabled state
[  836.951126][ T9282] veth1: entered allmulticast mode
[  836.952342][ T9282] veth1: entered promiscuous mode
[  837.406695][ T8371] br0: port 1(veth0) entered blocking state
[  837.407019][ T8371] br0: port 1(veth0) entered forwarding state
[  837.407997][ T8371] br0: port 2(veth1) entered blocking state
[  837.408275][ T8371] br0: port 2(veth1) entered forwarding state
[  838.662917][ T8385] bond0: (slave veth1): link status definitely up
[  838.663361][ T8385] bond0: (slave veth1): making interface the new active one
[  838.664372][ T8385] bond0: active interface up!
[  839.011207][ T8385] veth1: left allmulticast mode
[  839.011417][ T8385] veth1: left promiscuous mode
[  839.011709][ T8385] br0: port 2(veth1) entered disabled state
[  839.013907][ T8385] veth0: left allmulticast mode
[  839.014092][ T8385] veth0: left promiscuous mode
[  839.014437][ T8385] br0: port 1(veth0) entered disabled state
[  839.170591][ T8385] bond0: (slave veth1): Releasing backup interface
[  839.338567][ T8385] bond0: (slave veth0): Releasing backup interface
[  839.703992][ T8385] bond0 (unregistering): Released all slaves